Home / 191,253.38-286,872.72-51,010.78

Finding the Fourth Proportional to 191,253.38, 286,872.72 and 51,010.78

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Solution

The fourth proportional to 191,253.38, 286,872.72 and 51,010.78 is: 76,514.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,253.38 : 286,872.72 = 51,010.78 : x
  2. Step 2: Convert to fraction form
    191,253.38/286,872.72 = 51,010.78/x
  3. Step 3: Cross multiply
    191,253.38x = 286,872.72 × 51,010.78
  4. Step 4: Simplify right side
    191,253.38x = 14,633,601,207.92
  5. Step 5: Solve for x
    x = 14,633,601,207.92/191,253.38
  6. Step 6: Final answer
    x = 76,514.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.